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Byju's Answer
Standard XII
Mathematics
AM,GM,HM Inequality
16x - 1 = 15x...
Question
16
x
−
1
=
15
x
+
1
,
x
≠
0
,
−
1
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Solution
16
x
−
1
=
15
x
+
1
,
x
≠
0
,
−
1
−
x
+
16
x
+
16
−
x
2
=
15
x
⇒
x
2
−
16
=
0
⇒
(
x
+
4
)
(
x
−
4
)
=
0
⇒
x
=
−
4
,
4
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1
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(i)
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≠
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